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55788606151 = 194171615669
BaseRepresentation
bin110011111101010000…
…101001001011000111
312100000000002211110021
4303331100221023013
51403223340344101
641343503240011
74013331220345
oct637520511307
9170000084407
1055788606151
1121729239583
12a98b5a9007
1353510c2375
1429b3432995
1516b7b725a1
hexcfd4292c7

55788606151 has 8 divisors (see below), whose sum is σ = 60157162800. Its totient is φ = 51563280960.

The previous prime is 55788606149. The next prime is 55788606161. The reversal of 55788606151 is 15160688755.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55788606151 - 21 = 55788606149 is a prime.

It is a super-2 number, since 2×557886061512 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55788606161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35807056 + ... + 35808613.

It is an arithmetic number, because the mean of its divisors is an integer number (7519645350).

Almost surely, 255788606151 is an apocalyptic number.

55788606151 is a deficient number, since it is larger than the sum of its proper divisors (4368556649).

55788606151 is a wasteful number, since it uses less digits than its factorization.

55788606151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71615729.

The product of its (nonzero) digits is 2016000, while the sum is 52.

The spelling of 55788606151 in words is "fifty-five billion, seven hundred eighty-eight million, six hundred six thousand, one hundred fifty-one".

Divisors: 1 19 41 779 71615669 1360697711 2936242429 55788606151